my extra small schwinn gs 28. i've rode 54-56 cm bikes my whole adult life. but over the last few yrs have found it more difficult to mount and dismount that size, so instead of stopping biking, i decided to get a small frame to more easily mount the bike. found this on cl, 16.5 inch frame, found it very easy to mount, but the cockpit was a bit short so i had to adapt it for me. hence stem extenders, adjustable stem and wald 867 bars. now instead of seeing pavement as i ride, i see nature. love the change, and it keeps me on the bike.
i know it looks dorky, but thats ok. at 64 i dont' care.